CN109459220A - Double round mills unit head test fixture - Google Patents
Double round mills unit head test fixture Download PDFInfo
- Publication number
- CN109459220A CN109459220A CN201811422932.XA CN201811422932A CN109459220A CN 109459220 A CN109459220 A CN 109459220A CN 201811422932 A CN201811422932 A CN 201811422932A CN 109459220 A CN109459220 A CN 109459220A
- Authority
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- Prior art keywords
- double
- power head
- mounting plate
- oil cylinder
- wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 238000003801 milling Methods 0.000 claims abstract description 65
- 238000005259 measurement Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000008602 contraction Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
本发明公开了一种双轮铣动力头试验工装，包括安装架、油缸、安装板、混凝土单元；混凝土单元可拆卸的连接在安装架上，用于方便更换混凝土块；安装板用于连接安装待试验的双轮铣动力头，能够带动双轮铣动力头沿朝向或远离混凝土单元的方向移动；油缸的一端与安装架连接，另一端与安装板连接，用于通过油缸的伸缩带动安装板沿轨迹方向移动，从而实现进给和提供铣轮下压力。本工装结构紧凑，通过油缸加压模拟铣轮下压力，通过更换不同强度的混凝土块，能够模拟不同硬度的地层环境。
The invention discloses a double-wheel milling power head test tool, which includes a mounting frame, an oil cylinder, a mounting plate and a concrete unit; the concrete unit is detachably connected to the mounting frame for convenient replacement of concrete blocks; the mounting plate is used for connection and installation The double-wheel milling power head to be tested can drive the double-wheel milling power head to move in the direction toward or away from the concrete unit; one end of the oil cylinder is connected to the installation frame, and the other end is connected to the installation plate, which is used to drive the installation plate through the expansion and contraction of the oil cylinder. Move in the direction of the track to achieve feed and provide milling wheel down force. The tooling has a compact structure. The down pressure of the milling wheel is simulated by the pressure of the oil cylinder. By replacing the concrete blocks with different strengths, the formation environment of different hardness can be simulated.
Description
Technical field
The invention belongs to technical field of engineering machinery, are related to a kind of test tool, in particular to a kind of Double-wheel milling power head
Test tool.
Background technique
Double-wheel milling is state-of-the-art construction of diaphragm wall equipment, is mainly used in water resources and hydropower construction, city at present
The lithosphere construction work of the heavy constructions such as iron construction, skyscraper.Double-wheel milling power head is the most crucial portion of entire Double-wheel milling
Part, performance and stability directly affect the construction efficiency of Double-wheel milling.The test of current driving force head, which relies primarily on, to be installed on host
It constructs on-site, power head needs transport to building site and carry out dismounting replacement, and it is time-consuming and laborious, influence normally applying for host
Work progress.
In the prior art, Double-wheel milling power head is mainly made of components such as speed reducer, milling wheel and driving units, is slowed down at present
Machine and driving unit test mainly divide bench test and installation test, and bench test can only carry out torque load, cannot simulate
Pressure under underwater environment and milling wheel can not verify its sealing performance；Milling wheel test mainly installation carries out；Therefore, Double-wheel milling is dynamic
The test of power head is carried out mainly by installation.
The prior art has the following deficiencies: that Double-wheel milling power head installation test has the two-wheel of hot work in progress firstly the need of searching
Miller, then power head is transported to building site, and the power head on former vehicle is disassembled and is replaced, this process is time-consuming to take
Power.On the one hand, it is tested on-site, suitable construction site is difficult to find, and on the other hand, the Double-wheel milling construction period is general
All more nervous, the work such as dismounting replacement certainly will influence the normal construction progress of host.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the present invention provides a kind of Double-wheel milling power head test tool.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of Double-wheel milling power head test tool, which is characterized in that including mounting rack, oil cylinder, mounting plate, concrete unit；
The concrete unit is removably attachable on mounting rack, for being convenient for changing concrete block；
The mounting plate installs Double-wheel milling power head to be tested for connecting, and the mounting plate is able to drive Double-wheel milling power
It is moved towards or away from the direction of concrete unit on head edge；
The cylinder barrel of the oil cylinder, lever one of both are connect with mounting rack, another and peace of both the cylinder barrel of oil cylinder, lever
Loading board connection, for being moved by the flexible drive mounting plate of oil cylinder along course bearing, to realize feeding and provide under milling wheel
Pressure.
Preferably, guide rail is provided on the mounting rack, the mounting plate is slidably connected with guide rail, mounting plate energy
It is enough to slidably reciprocate along guide rail direction.
Preferably, the Double-wheel milling power head test tool, further includes dynamometry component, for measuring the oil
The pulling force size that cylinder provides the mounting plate.
Preferably, described oil cylinder one end is hinged by pin shaft with mounting rack, and the other end passes through with the mounting plate
Pin shaft is hinged.
Further, the pin shaft at least one of which at the oil cylinder both ends is provided with bearing pin sensor, described for measuring
The pulling force size that oil cylinder provides the mounting plate.
Preferably, the Double-wheel milling power head test tool, it is characterised in that: the mounting rack is square box
Frame structure；The horizontally disposed bottom for being mounted on the mounting rack of the concrete unit；
The mounting plate is the square structure matched with the mounting rack cross section, and horizontally disposed,
The guide rail vertical direction arrangement, the mounting plate are provided with sliding equipment in position corresponding with the guide rail, institute
Mounting plate is stated to be slidably connected by the sliding equipment and the guide rail.
More preferably, the sliding equipment is the sliding block matched with guide rail.
Preferably, the guide rail has two groups, is separately positioned on two opposite sides of mounting rack.
Preferably, there are two the oil cylinders, two opposite sides of mounting rack are separately positioned on；The oil cylinder
Vertical direction arrangement.The telescopic direction of oil cylinder is to move up or down.
Preferably, the concrete unit includes cabinet and concrete block, and concrete block is placed in cabinet；Institute
Cabinet is stated to be fixed on mounting rack by fastener.
The bindiny mechanism for installing fixed Double-wheel milling power head is provided on the mounting plate.
Preferably, the Double-wheel milling power head test tool is symmetrical structure.
The utility model has the advantages that Double-wheel milling power head test tool provided by the invention, can simulate Double-wheel milling by the tooling
Actual working environment, it is convenient to be tested inside.It avoids Double-wheel milling power head from transporting building site to carry out testing generated people
The consumption of power, material resources and financial resources, can effectively shorten the test period and save experimentation cost.In addition, this tool structure is compact, lead to
Pressure under oil cylinder Simulation Study On Pressure milling wheel is crossed, by replacing the concrete block of varying strength, the stratum ring of different hardness can be simulated
Border, applicability is wide, and when test, entire tooling is placed in water, and can simulate underwater environment, convenient for verifying the leakproofness of power head
Energy.
Detailed description of the invention
Fig. 1 is the Double-wheel milling power head test tool schematic diagram of embodiment；
Fig. 2 is the tooling trystate installation diagram of embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
As shown in Figure 1, a kind of Double-wheel milling power head test tool, including mounting rack 1, oil cylinder 2, mounting plate 4, concrete list
Member 5；
The concrete unit 5 is removably attachable on mounting rack 1, for being convenient for changing concrete block；
The mounting plate 4 installs Double-wheel milling power head to be tested for connecting, and it is dynamic that the mounting plate 4 is able to drive Double-wheel milling
It is moved towards or away from the direction of concrete unit 5 on power head edge；
The cylinder barrel of the oil cylinder 2, lever one of both are connect with mounting rack 1, another and institute of both the cylinder barrel of oil cylinder 2, lever
The connection of mounting plate 4 is stated, for moving by the flexible drive mounting plate 4 of oil cylinder 2 along course bearing, to realize feeding and offer
Pressure under milling wheel.
Further, guide rail 101 is provided on the mounting rack 1, the mounting plate 4 is slidably connected with guide rail 101, installation
Plate 4 can slidably reciprocate along 101 direction of guide rail.
Further, the Double-wheel milling power head test tool, further includes dynamometry component, for measuring the oil cylinder pair
The pulling force size that the mounting plate 4 provides.
By the tooling, the actual working environment of Double-wheel milling can be simulated, it is convenient to be tested inside.This tooling knot
Structure is compact, can simulate different hardness by replacing the concrete block of varying strength by pressure under oil cylinder Simulation Study On Pressure milling wheel
Ground environment, applicability is wide, and when test, entire tooling is placed in water, and underwater environment can be simulated, convenient for verifying power head
Sealing performance.
In some embodiments, as shown in Figure 1 and Figure 2, a kind of Double-wheel milling power head test tool, including mounting rack 1, oil
Cylinder 2, pin shaft 3, mounting plate 4, concrete unit 5, fastener 1 and control unit (not shown).
Guide rail 101 is provided on mounting rack 1；Oil cylinder 2 is arranged in the two sides of mounting rack 1, and 2 one end of oil cylinder is cut with scissors by pin shaft 3
Connect on mounting rack 1, the other end is hinged on mounting plate 4 by pin shaft 3, two pin shafts 3 of every side at least one be tool
There is the bearing pin sensor of force measuring function；Concrete unit 5 is made of cabinet 501 and concrete block 502, and concrete block 502 is placed
In cabinet 501, further, the cabinet 501 is fixed on mounting rack bottom by fastener 6；Further, the control
Unit is connect with oil cylinder 2, for controlling the flexible of oil cylinder 2.
In some embodiments, the mounting rack 1 is square frame structure；The horizontally disposed installation of the concrete unit 5
In the bottom of the mounting rack 1；
The mounting plate 4 is the square structure matched with 1 cross section of mounting rack, and horizontally disposed；
101 vertical direction of the guide rail arrangement, the mounting plate 4 are provided with sliding in position corresponding with the guide rail 101
Mechanism, the mounting plate 4 are slidably connected by the sliding equipment with the guide rail 101, can be along the direction of the guide rail 101
It slidably reciprocates.
Further, in the present embodiment, the sliding equipment is the sliding block 401 matched with guide rail 101.On mounting plate 4
It is provided with sliding block 401, sliding block 401 slides up and down in guide rail 101.
In some embodiments, as depicted in figs. 1 and 2, the guide rail 101 has two groups, is separately positioned on the two of mounting rack 1
A opposite side；101 vertical direction of the guide rail arrangement.
In some embodiments, as depicted in figs. 1 and 2, there are two the oil cylinders 2, two of mounting rack 1 are separately positioned on
Opposite side；2 vertical direction of the oil cylinder arrangement.The telescopic direction of oil cylinder 2 is to move up or down.
More preferably, corresponding surface identical in mounting rack 1 is arranged with the guide rail 101 in the oil cylinder 2.
In some embodiments, as depicted in figs. 1 and 2, it is provided on the mounting plate 4 dynamic for installing fixed Double-wheel milling
The bindiny mechanism 7 of power head 8, more preferably, in the present embodiment, the bindiny mechanism 7 is connected by screw bolts.
In some embodiments, as depicted in figs. 1 and 2, the Double-wheel milling power head test tool is symmetrical structure.
Working principle of the present invention is as follows:
As depicted in figs. 1 and 2: when test, Double-wheel milling power head 8 is fixed on mounting plate 4 by fastener two, is connected first
Then necessary fluid pressure line is placed into entire tooling in the water of certain depth, driving unit drives speed reducer to drive milling wheel
Rotation, control unit control oil cylinder 2 move downward, and oil cylinder 2 drives mounting plate 4 to feed down together with Double-wheel milling power head 8, has
The pin shaft 3 of force measuring function can measure the pulling force of oil cylinder 2, and control unit is provided by the size of control 2 pulling force of oil cylinder to milling wheel
Certain lower pressure, milling wheel rotates milling concrete block 502, and after 502 milling of concrete block is complete, control unit controls oil cylinder 2
Stopping is fed down, and milling wheel stops rotating, and control unit control oil cylinder 2, which moves upwards, is restored to initial position, at this time can be more
Concrete block 502 is changed, milling test is then proceeded by.
When needing to simulate the ground environment of different hardness, the concrete block 502 of different labels can be replaced；It is mixed to reduce
The replacement frequency of solidifying soil block 502, improves test efficiency, can increase the length of guide rail 101 as far as possible in conditions permit
The stroke of degree and oil cylinder 2, and the synchronous whole height for increasing concrete block 502.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the present invention and simplified description for ease of description, rather than indicates or imply signified device
Or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as in present invention protection
The limitation of appearance.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of Double-wheel milling power head test tool, which is characterized in that including mounting rack, oil cylinder, mounting plate, concrete unit；
The concrete unit is removably attachable on mounting rack, for being convenient for changing concrete block；
The mounting plate installs Double-wheel milling power head to be tested for connecting, and the mounting plate is able to drive Double-wheel milling power
It is moved towards or away from the direction of concrete unit on head edge；
The cylinder barrel of the oil cylinder, lever one of both are connect with mounting rack, another and peace of both the cylinder barrel of oil cylinder, lever
Loading board connection, for being moved by the flexible drive mounting plate of oil cylinder along course bearing, to realize feeding and provide under milling wheel
Pressure.
2. Double-wheel milling power head test tool according to claim 1, it is characterised in that: be provided with and lead on the mounting rack
Rail, the mounting plate are slidably connected with guide rail, and mounting plate can slidably reciprocate along guide rail direction.
3. Double-wheel milling power head test tool according to claim 1 or 2, it is characterised in that: further include dynamometry component, use
In the pulling force size that the measurement oil cylinder provides the mounting plate.
4. Double-wheel milling power head test tool according to claim 1, it is characterised in that: described oil cylinder one end and mounting rack
Hinged by pin shaft, the other end is hinged by pin shaft with the mounting plate.
5. Double-wheel milling power head test tool according to claim 4, it is characterised in that: the pin shaft at the oil cylinder both ends is extremely
One of them is provided with bearing pin sensor less, the pulling force size provided for measuring the oil cylinder the mounting plate.
6. Double-wheel milling power head test tool according to claim 2, it is characterised in that: the mounting rack is square frame
Structure；The horizontally disposed bottom for being mounted on the mounting rack of the concrete unit；
The mounting plate is the square structure matched with the mounting rack cross section, and horizontally disposed；
The guide rail vertical direction arrangement, the mounting plate are provided with sliding equipment in position corresponding with the guide rail, institute
Mounting plate is stated to be slidably connected by the sliding equipment and the guide rail.
7. Double-wheel milling power head test tool according to claim 6, it is characterised in that: the guide rail has two groups, respectively
Two opposite sides of mounting rack are set.
8. Double-wheel milling power head test tool according to claim 6, it is characterised in that: there are two the oil cylinders, respectively
Two opposite sides of mounting rack are set；The oil cylinder vertical direction arrangement.
9. Double-wheel milling power head test tool according to claim 1 or 2, it is characterised in that: the concrete unit packet
Cabinet and concrete block are included, concrete block is placed in cabinet；The cabinet is fixed on mounting rack by fastener.
10. Double-wheel milling power head test tool according to claim 1, it is characterised in that: the Double-wheel milling power head examination
Testing tooling is symmetrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422932.XA CN109459220A (en) | 2018-11-27 | 2018-11-27 | Double round mills unit head test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422932.XA CN109459220A (en) | 2018-11-27 | 2018-11-27 | Double round mills unit head test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109459220A true CN109459220A (en) | 2019-03-12 |
Family
ID=65611707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811422932.XA Pending CN109459220A (en) | 2018-11-27 | 2018-11-27 | Double round mills unit head test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109459220A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141509A (en) * | 2020-01-17 | 2020-05-12 | 南京农业大学 | Crane artificial limb joint stress testing device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021466A (en) * | 2007-03-05 | 2007-08-22 | 中国地质大学（武汉） | Multifunction friction wear testing machine |
| CN101713719A (en) * | 2009-12-22 | 2010-05-26 | 中国重型机械研究院有限公司 | Cutting test method for rock-cutting tool |
| CN102539245A (en) * | 2011-11-29 | 2012-07-04 | 河海大学 | Portable rapid testing device for strength of concrete test block |
| CN103776685A (en) * | 2014-01-24 | 2014-05-07 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Static force load testing device for concrete beam |
| CN104596859A (en) * | 2014-12-30 | 2015-05-06 | 上海勘测设计研究院有限公司 | Testing device for bearing capacity of precast reinforced concrete slab |
| CN104713822A (en) * | 2015-03-31 | 2015-06-17 | 长安大学 | Asphalt pavement milling testbed |
| CN106437698A (en) * | 2016-09-29 | 2017-02-22 | 中交第三航务工程勘察设计院有限公司 | Underwater platform for exploration sampling or in-situ test and using method thereof |
| CN106644439A (en) * | 2016-12-19 | 2017-05-10 | 中国石油大学(北京) | Portable stress strain measurement experimental device |
| CN206638386U (en) * | 2017-02-15 | 2017-11-14 | 北京新能源汽车股份有限公司 | Test bench |
| CN207717496U (en) * | 2017-12-16 | 2018-08-10 | 天津市贰拾壹站检测技术有限公司 | A kind of concrete sample rigidity detection device |
| CN209311063U (en) * | 2018-11-27 | 2019-08-27 | 江苏徐工工程机械研究院有限公司 | Double round mills unit head test fixture |
-
2018
- 2018-11-27 CN CN201811422932.XA patent/CN109459220A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021466A (en) * | 2007-03-05 | 2007-08-22 | 中国地质大学（武汉） | Multifunction friction wear testing machine |
| CN101713719A (en) * | 2009-12-22 | 2010-05-26 | 中国重型机械研究院有限公司 | Cutting test method for rock-cutting tool |
| CN102539245A (en) * | 2011-11-29 | 2012-07-04 | 河海大学 | Portable rapid testing device for strength of concrete test block |
| CN103776685A (en) * | 2014-01-24 | 2014-05-07 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Static force load testing device for concrete beam |
| CN104596859A (en) * | 2014-12-30 | 2015-05-06 | 上海勘测设计研究院有限公司 | Testing device for bearing capacity of precast reinforced concrete slab |
| CN104713822A (en) * | 2015-03-31 | 2015-06-17 | 长安大学 | Asphalt pavement milling testbed |
| CN106437698A (en) * | 2016-09-29 | 2017-02-22 | 中交第三航务工程勘察设计院有限公司 | Underwater platform for exploration sampling or in-situ test and using method thereof |
| CN106644439A (en) * | 2016-12-19 | 2017-05-10 | 中国石油大学(北京) | Portable stress strain measurement experimental device |
| CN206638386U (en) * | 2017-02-15 | 2017-11-14 | 北京新能源汽车股份有限公司 | Test bench |
| CN207717496U (en) * | 2017-12-16 | 2018-08-10 | 天津市贰拾壹站检测技术有限公司 | A kind of concrete sample rigidity detection device |
| CN209311063U (en) * | 2018-11-27 | 2019-08-27 | 江苏徐工工程机械研究院有限公司 | Double round mills unit head test fixture |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141509A (en) * | 2020-01-17 | 2020-05-12 | 南京农业大学 | Crane artificial limb joint stress testing device |
| CN111141509B (en) * | 2020-01-17 | 2021-07-27 | 南京农业大学 | A crane prosthetic joint force test device |
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Application publication date: 20190312 |